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GeForce GTX 650 Ti 2GB vs Radeon HD 7750

Intro

The GeForce GTX 650 Ti 2GB makes use of a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 RAM works at a speed of 1350 MHz on this card. It features 768 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 7750, which uses a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a frequency of 1125 MHz on this particular card. It features 512 SPUs along with 32 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 55 Watts (100%)

Memory Bandwidth

In theory, the GeForce GTX 650 Ti 2GB will be 20% quicker than the Radeon HD 7750 in general, due to its greater data rate. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be quite a bit (approximately 132%) better at texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 33792 (132%)

Pixel Rate

The GeForce GTX 650 Ti 2GB will be a bit (about 16%) better at full screen anti-aliasing than the Radeon HD 7750, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 2048 (16%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 650 Ti 2GB

Amazon.com

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Radeon HD 7750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 650 Ti 2GB Radeon HD 7750
Manufacturer nVidia AMD
Year October 2012 February 2012
Code Name GK106 Cape Verde Pro
Memory 2048 MB 1024 MB
Core Speed 928 MHz 800 MHz
Memory Speed 5400 MHz 4500 MHz
Power (Max TDP) 110 watts 55 watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 59392 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 768 512
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 1500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.3 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon HD 7750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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